Spreadsheet tools
Data profile
Understand a dataset in seconds: each column's type, blanks, distinct values, ranges, averages, most common values, and problems such as numbers stored as text.
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Choose a file
Excel (.xlsx, .xls, .xlsb), OpenDocument, CSV, TSV or JSON
Options
Most common values listed per column
More options (7)
Workbooks: empty for the first visible sheet, 'all' for every visible sheet, or sheet names or numbers separated by commas
Row number of the column names, when there is a title above the table
CSV input: the character between values